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Added GCC_ARCH option to manually set -march in GCC

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master
Paul Sutton 8 years ago
parent 9acb1002e9
commit 932ed9b247
2 changed files with 12 additions and 11 deletions
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15
CMakeLists.txt
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@ -54,6 +54,7 @@ configure_file(
option(DisableMEX "DisableMEX" ON) option(DisableMEX "DisableMEX" ON)
option(StaticMKL "StaticMKL" OFF) option(StaticMKL "StaticMKL" OFF)
option(DisableBladeRF "DisableBladeRF" OFF) option(DisableBladeRF "DisableBladeRF" OFF)
set(GCC_ARCH native CACHE STRING "GCC compile for specific architecture.")
######################################################################## ########################################################################
# Install Dirs # Install Dirs
@ -101,24 +102,24 @@ endif(CMAKE_COMPILER_IS_GNUCXX)
if(CMAKE_COMPILER_IS_GNUCC) if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-write-strings -Wno-format-extra-args -Winline -Wno-unused-result -Wno-format -std=c99 -D_GNU_SOURCE -g") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-write-strings -Wno-format-extra-args -Winline -Wno-unused-result -Wno-format -std=c99 -D_GNU_SOURCE -g")
find_package(SSE)
if(${CMAKE_BUILD_TYPE} STREQUAL "Debug") if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
find_package(SSE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
if(HAVE_AVX) if(HAVE_AVX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
elseif(HAVE_SSE) elseif(HAVE_SSE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -msse4.1 -DLV_HAVE_SSE") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
endif(HAVE_AVX) endif(HAVE_AVX)
else(${CMAKE_BUILD_TYPE} STREQUAL "Debug") else(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
find_package(SSE)
if (HAVE_AVX2) if (HAVE_AVX2)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx2 -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -mavx2 -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE")
else (HAVE_AVX2) else (HAVE_AVX2)
if(HAVE_AVX) if(HAVE_AVX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -mavx -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE")
elseif(HAVE_SSE) elseif(HAVE_SSE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -msse4.1 -Ofast -funroll-loops -DLV_HAVE_SSE") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -msse4.1 -Ofast -funroll-loops -DLV_HAVE_SSE")
endif(HAVE_AVX) endif(HAVE_AVX)
endif (HAVE_AVX2) endif (HAVE_AVX2)

6
cmake/modules/FindSSE.cmake
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@ -1,9 +1,9 @@
include(CheckCSourceRuns) include(CheckCSourceRuns)
option(ENABLE_SSE "Enable compile-time SSE4.1 support." ON) option(ENABLE_SSE "Enable compile-time SSE4.1 support." ON)
option(ENABLE_AVX "Enable compile-time AVX support." ON) option(ENABLE_AVX "Enable compile-time AVX support." ON)
option(ENABLE_AVX2 "Enable compile-time AVX2 support." ON) option(ENABLE_AVX2 "Enable compile-time AVX2 support." ON)
if (ENABLE_SSE) if (ENABLE_SSE)
# #

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